#include<stdio.h>
//int main()
//{
//	unsigned char i = 7;
//	int j = -3;
//	unsigned int sum= i + j;
//	//i = i + j;
//	printf("%d\n", sum);
//	//printf("%u\n", i);
//	return 0;
//}
int main()
{
	unsigned int i = 7;
	int j = -3;
	printf("%d\n", i + j);
	printf("%u\n", i + j);
	return 0;
}